NPTLE Wild Life Ecology Week 11 Assignment Answers 2024
1. which of these is correct?
- R + G = M + F
- R + M = G + F
- R + F = M + G
- R + G + M + F = 0
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2. which of these is not an impact of toxic chemicals?
- lethal effects
- sub- lethal effects
- reduction of existing stressors
- reduced fecundity
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3. a pest population is called controlled when
- it is not increasing
- it is decreasing
- it is not causing any economic damage
- it is not causing excessive economic damage
Answer :-
4. a deciduous forest in Madhya Pradesh was converted to a mine. after the mining operations were over, the pits were filled up with soil and species of deciduous forest planted again. this is an example of
- recovery
- restoration
- enhancement
- replacement
Answer :-
5. the root zone treatment plant is an example of
- phytoremediation
- biological control
- biomagnification
- bioaccumulation
Answer :- a
6. a pest population called uncontrolled when
- it is increasing
- it is not decreasing
- it is causing some economic damage
- it is causing excessive economic damage
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7. the impact of El Nino on fishery in Peru is explained by
- match hypothesis
- mismatch hypothesis
- match- mismatch hypothesis
- non of these
Answer :-
8. which of these is correct
- the maximum sustainable yield is near the beginning of the sigmoidal curve
- the maximum sustainable yield is near the mid-pount of the sigmoidal curve
- the maximum sustainable yield is near the end of the sigmoidal curve
- none of these
Answer :-
9. Ludwig’s ratchet predicts
- decreasing harvesting rate
- constant harvesting rate
- increasing harvesting rate
- fluctuating harvesting rate
Answer :-
10. a deciduous forest in Madhya Pradesh was converted to a mine. after the mining operations were over, the pits were filled up with water and a lake was created. it is now visited by several migratory birds. this is an example of
- recovery
- restoration
- enhancement
- replacement
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